Find the logarithm. Give an approximation to four decimal places
-$\log \left(6.38 \times 10^{4}\right)$
A) 4.0003
B) 4.8048
C) 0.8048
D) -3.1952

Question

Quizplus · Accepted Answer

The logarithm of a number in scientific notation, $\log(a \times 10^{n})$, can be simplified as $\log(a) + n$. Here, $\log(6.38) + 4$. Using a calculator, $\log(6.38) \approx 0.8048$, so the total is $0.8048 + 4 = 4.8048$.

Find the Logarithm log⁡(6.38×104)\log \left(6.38 \times 10^{4}\right)log(6.38×104) A) 40003 B) 4

Find the Logarithm $\log \left(6.38 \times 10^{4}\right)$ A) 40003
B) 4